This unit standard is for people who work, or intend to work, in the plumbing, gasfitting, or drainlaying industries.
People credited with this unit standard are able to: demonstrate knowledge of the properties and hazards of gas types that may contaminate plumbing, gasfitting, or drainlaying environments; and describe the precautions and actions to be taken when working in the presence of uncontained gas types for plumbing, gasfitting, or drainlaying.